Home / 145,994,817.34-201,472,911-79,915,692.48

Finding the Fourth Proportional to 145,994,817.34, 201,472,911 and 79,915,692.48

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Solution

The fourth proportional to 145,994,817.34, 201,472,911 and 79,915,692.48 is: 110,283,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,994,817.34 : 201,472,911 = 79,915,692.48 : x
  2. Step 2: Convert to fraction form
    145,994,817.34/201,472,911 = 79,915,692.48/x
  3. Step 3: Cross multiply
    145,994,817.34x = 201,472,911 × 79,915,692.48
  4. Step 4: Simplify right side
    145,994,817.34x = 16,100,847,198,526,410
  5. Step 5: Solve for x
    x = 16,100,847,198,526,410/145,994,817.34
  6. Step 6: Final answer
    x = 110,283,690.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.